55930637 has 4 divisors (see below), whose sum is σ = 63920736. Its totient is φ = 47940540.

The previous prime is 55930631. The next prime is 55930649. The reversal of 55930637 is 73603955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55930637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55930637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55930631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3995039 + ... + 3995052.

It is an arithmetic number, because the mean of its divisors is an integer number (15980184).

Almost surely, 2^55930637 is an apocalyptic number.

It is an amenable number.

55930637 is a deficient number, since it is larger than the sum of its proper divisors (7990099).

55930637 is an equidigital number, since it uses as much as digits as its factorization.

55930637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990098.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 55930637 is about 7478.6788271726. The cubic root of 55930637 is about 382.4282109993.

The spelling of 55930637 in words is "fifty-five million, nine hundred thirty thousand, six hundred thirty-seven".